Home / 1,879,459.76-2,819,359.84-531,636

Finding the Fourth Proportional to 1,879,459.76, 2,819,359.84 and 531,636

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Solution

The fourth proportional to 1,879,459.76, 2,819,359.84 and 531,636 is: 797,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,459.76 : 2,819,359.84 = 531,636 : x
  2. Step 2: Convert to fraction form
    1,879,459.76/2,819,359.84 = 531,636/x
  3. Step 3: Cross multiply
    1,879,459.76x = 2,819,359.84 × 531,636
  4. Step 4: Simplify right side
    1,879,459.76x = 1,498,873,187,898.24
  5. Step 5: Solve for x
    x = 1,498,873,187,898.24/1,879,459.76
  6. Step 6: Final answer
    x = 797,502.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.